78272061

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{11329}}^1$

素因数の和:11393

約数の個数: 24

約数和(自身を含む): 123995520

約数和(自身を除く): 45723459

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 11329, 33987, 79303, 237909, 532463, 555121, 1597389, 1665363, 3727241, 11181723, 26090687, 78272061]

約数ペア:

[(1, 78272061), (3, 26090687), (7, 11181723), (21, 3727241), (47, 1665363), (49, 1597389), (141, 555121), (147, 532463), (329, 237909), (987, 79303), (2303, 33987), (6909, 11329)]